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Finding the Fourth Proportional to 534,426.20, 800,958.90 and 218,526.20

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Solution

The fourth proportional to 534,426.20, 800,958.90 and 218,526.20 is: 327,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,426.20 : 800,958.90 = 218,526.20 : x
  2. Step 2: Convert to fraction form
    534,426.20/800,958.90 = 218,526.20/x
  3. Step 3: Cross multiply
    534,426.20x = 800,958.90 × 218,526.20
  4. Step 4: Simplify right side
    534,426.20x = 175,030,504,773.18
  5. Step 5: Solve for x
    x = 175,030,504,773.18/534,426.20
  6. Step 6: Final answer
    x = 327,511.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.